Seated upper-body exercises after 60, with expert quotes, to build strength safely using bands and light dumbbells.

Muscle-on-chip systems are three-dimensional human muscle cell bundles cultured on collagen scaffolds. A Stanford University research team sent some of these systems to the International Space Station ...

We live in a muscle-obsessed culture. If you train smart and hard, you don't need to spend every day in the gym, though. Build your upper body with chest presses, rows, lateral raises, bicep curls, ...

Repeated exercise, or wasting, can change the way key genes work.

Use these five dumbbell exercises to build your back and biceps muscles without a pull-up in sight. We know there are plenty of pull-up variations you can try to suit your current ability if you don't ...

How muscle changes with ageing, and tries to fight its effects, is now better understood at the cellular and molecular level with the first comprehensive atlas of ageing muscles in humans. Researchers ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

After sitting most of the day at a desk, where I may or may not have the best posture, my chest and upper back are tight and achy. Maybe you can relate? Luckily, that's where upper-body stretches come ...

Leoni Jesner is a fitness, health, and lifestyle writer who has contributed to Byrdie and LIVESTRONG.com, among other publications. She is also a personal trainer, mat Pilates instructor, and ...

Forget the "magic pill" in your cabinet. Experts reveal that intentional movement is the only way to combat sarcopenia and keep your body resilient into your golden years.